Eriņš, Matīss, Oļesja Minejeva, Zigurds Markovičs, Juris Lauznis, and Raivis Kivlenieks. “RESEARCH OF HUMAN FATIGUE AND MEASUREMENT PARAMETERS FOR WORKABILITY ASSESSMENT”. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference 2 (June 20, 2019): 38–43. Accessed June 21, 2024. https://journals.ru.lv/index.php/ETR/article/view/4148.